Operation And Maintenance; Overview; Recommended Calibration Tasks - Emerson Rosemount 2051 Reference Manual

Reference Manual
00809-0100-4107
5

Operation and maintenance

5.1

Overview

This section contains information on operation and maintenance procedures, as well as
instructions on configuring with a communication device or AMS Device Manager.
5.2

Recommended calibration tasks

NOTICE
Emerson calibrates absolute pressure transmitters at the factory. Trimming adjusts the
position of the factory characterization curve. It is possible to degrade performance of the
transmitter if any trim is done improperly or with inaccurate equipment.
5.2.1 Calibrate transmitter in the field
Procedure
1. Perform sensor zero/lower trim to compensate for mounting pressure effects
2. Set/check basic configuration parameters.
Related information
Install Rosemount 306 Integral Manifold
5.2.2 Calibrate on a bench
Procedure
1. Perform optional 4-20 mA output trim.
2. Perform a sensor trim.
Emerson.com
a) Output units
b) Range points
c) Output type
d) Damping value
a) Zero/lower trim for using line pressure effect correction.
Refer to Manifold operation
instructions.
b) Perform the optional full scale trim.
This sets the span of the device and requires accurate calibration equipment.
c) Set/check basic configuration parameters.
Operation and maintenance
for manifold drain/vent valve operation
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